[![Actions Status](https://github.com/titsuki/raku-Algorithm-XGBoost/workflows/test/badge.svg)](https://github.com/titsuki/raku-Algorithm-XGBoost/actions) NAME ==== Algorithm::XGBoost - A Raku bindings for XGBoost ( https://github.com/dmlc/xgboost ). SYNOPSIS ======== ```raku use Algorithm::XGBoost; use Algorithm::XGBoost::Booster; use Algorithm::XGBoost::DMatrix; use Algorithm::XGBoost::Model; # agaricus.txt.test is here: https://github.com/dmlc/xgboost/tree/master/demo/data my $dmat = Algorithm::XGBoost::DMatrix.from-file("agaricus.txt.train"); say $dmat.num-row; # 6513 say $dmat.num-col; # 127 my $model = Algorithm::XGBoost.train($dmat, 10); $model.num-feature.say; # 127 my @test[2;2] = [[0e0,0e0],[0e0,1e0]]; my $test = Algorithm::XGBoost::DMatrix.from-matrix(@test); say $model.predict($test); # (0.9858561754226685 0.9858561754226685) ``` DESCRIPTION =========== Algorithm::XGBoost is a Raku bindings for XGBoost ( https://github.com/dmlc/xgboost ). METHODS ------- ### train Defined as: method train(Algorithm::XGBoost::DMatrix $dmat, Int $num-iteration --> Algorithm::XGBoost::Model) Trains a XGBoost model. * `$dmat` The instance of Algorithm::XGBoost::DMatrix. * `$num-iteration` The number of iterations for training. ### version Defined as: method version(--> Version) Returns the libxgboost version. ### global-config Defined as: multi method global-config(Str $json-str) multi method global-config(--> Str) Sets/Gets the global parameters: verbosity and use_rmm. * `verbosity` The verbosity of printing messages. Valid values of 0 (silent), 1 (warning), 2 (info), and 3 (debug). * `use_rmm` Whether to use RAPIDS Memory Manager (RMM) to allocate GPU memory. This option is only applicable when XGBoost is built (compiled) with the RMM plugin enabled. Valid values are true and false. AUTHOR ====== Itsuki Toyota COPYRIGHT AND LICENSE ===================== Copyright 2021 Itsuki Toyota This library is free software; you can redistribute it and/or modify it under the Artistic License 2.0.